Khalid, M. M., M. A. Z. Yaakob, A. Bhari, and M. F. Mohamed Yusof. “Risk Management in Waqf Institutions: A Preliminary Study”. Journal of Fatwa Management and Research, vol. 16, no. 2, Oct. 2019, pp. 207-19, doi:10.33102/jfatwa.vol16no2.16.